Home / 948,317.85-1,308,678.58-518,598.27

Finding the Fourth Proportional to 948,317.85, 1,308,678.58 and 518,598.27

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Solution

The fourth proportional to 948,317.85, 1,308,678.58 and 518,598.27 is: 715,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,317.85 : 1,308,678.58 = 518,598.27 : x
  2. Step 2: Convert to fraction form
    948,317.85/1,308,678.58 = 518,598.27/x
  3. Step 3: Cross multiply
    948,317.85x = 1,308,678.58 × 518,598.27
  4. Step 4: Simplify right side
    948,317.85x = 678,678,447,574.06
  5. Step 5: Solve for x
    x = 678,678,447,574.06/948,317.85
  6. Step 6: Final answer
    x = 715,665.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.